I also found it helpful to loosen the shackle bolts (top and bottom) just to the point where the nut turns if you don't hold it with a wrench. If this makes you nervous just put some loc-tite on the threads and check them visually for a few weeks after. I did this more than three years ago and mine have never tried to back out further.
Slght improvement in ride and articulation, but it's free!
'87 Wrangler YJ 4.2 I6 (sorry, sold)
2 1/2" ProComp Lift
31" BFG A/T's
Custom Rock Guards
Rear Track Bar in the shed
Other Tricks I won't tell to just anybody!
'99 Grand Cherokee 4.7 V8
ProComp MX6 shocks
Alpine CD with Infinity+iPod connect
Just getting started!
If you're not living on the edge...
you're taking up too much space.